XD

IMAGE/app.js

@@ -0,0 +1,56 @@
+const express = require('express');
+const multer = require('multer');
+const path = require('path');
+const fs = require('fs');
+
+const app = express();
+const port = 3000;
+
+app.use(express.static('public'));
+
+const storage = multer.diskStorage({
+    destination: (request, file, callBack) => {
+        callBack(null, 'public/uploads/');
+    },
+
+    filename: (request, file, callBack) => {
+        const name = path.extname(file.originalname);
+        const direction = 'public/uploads/';
+        let count = 0;
+
+        while (fs.existsSync(`${direction}${count}${name}`)) {
+            count++;
+        }
+
+        callBack(null, `${count}${name}`);
+    },
+});
+
+
+const upload = multer({
+    storage: storage,
+
+    limits: { 
+        fileSize: 10 * 1024 * 1024
+    },
+
+    fileFilter: (request, file, callBack) => {
+        const allowedFileExtensions = ['.jpg', '.jpeg', '.png', '.svg'];
+        const name = path.extname(file.originalname).toLowerCase();
+
+        if (allowedFileExtensions.includes(name)) {
+            return callBack(null, true);
+        } 
+        else {
+            return callBack('ERROR');
+        }
+    },
+});
+
+app.post('/upload', upload.single('image'), (request, response) => {
+    response.send('SUCCESSFULLY!');
+});
+
+app.listen(port, () => {
+    console.log(`SERVER STARTED ON POR ${port}`);
+});